NAME

       tcti-cmd - TPM2 Sub-process Command TCTI library

SYNOPSIS

       A TPM Command Transmission Interface (TCTI) module for interaction with a sub-process.

DESCRIPTION

       tcti-cmd  is a library that abstracts the details of direct communication with the interface and protocol
       exposed by a sub-process that can receive and  transmit  raw  TPM2  command  and  response  buffers.  The
       interface  exposed  by  this library is defined in the “TSS System Level API and TPM Command Transmission
       Interface Specification” specification.

EXAMPLES

       For example, if you wanted to use the tpm2_send(1) command as the sub-process to send data  to  and  from
       the TPM, one could do so like this:
       tpm2_getrandom -T "cmd:tpm2_send -s" --hex 4

       A  more  useful example would be connecting to a remote machine using ssh and interacting with the remote
       machine's TPM as if it were local. This uses tpm2_send(1) on a remote machine and uses ssh  as  the  sub-
       process to create the tunnel to the remote machine. If encrypted sessions are used, the remote machine is
       blinded to the TPM data and cannot interpose on that traffic.
       tpm2_getrandom -T "cmd:ssh remotehost tpm2_send" -s --hex 4

AUTHOR

       TPM2 Software Project <https://github.com/tpm2-software/tpm2-tss>

SEE ALSO

       Tss2_Tcti_Device_Init(3), Tss2_Tcti_Socket_Init(3), Tss2_TctiLdr_Initialize(3), Tss2_TctiLdr_Finalize(3),
       tcti-device(7), tcti-socket(7), tcti-tabrmd(7), tpm2-abrmd(8)

COLOPHON

       This page is part of release 4.1.3 of Open Source implementation of the TCG TPM2 Software Stack (TSS2). A
       description of the project, information about reporting bugs, and the latest version of this page can  be
       found at https://github.com/tpm2-software/tpm2-tss/.